Equilibrium constant Kads and standard free energy change of adsorption of the DMIH compound on low-carbon steel in 0.5 mol L−1 HCl at different temperatures.
Temperatures (K) | Slope | Intercept × 10−5 | K ads × 10−3 (mol−1) | (kJ mol−1) | R 2 |
---|---|---|---|---|---|
298 | 1.19 | 77.5 | 1291.6 | 27.7 | 0.9999 |
308 | 1.28 | 90.1 | 1108.7 | 26.9 | 0.9999 |
318 | 1.31 | 91.3 | 1095.3 | 26.8 | 0.9999 |
328 | 1.39 | 45.2 | 2203.1 | 28.5 | 0.9999 |